OT-2026-000072256
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented before set-down
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000072256) never changes.
Identity and time
| Publication number | OT-2026-000072256 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c2-751a-9059-b4dd3bee6931 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072256 |
| Status | PUBLIC |
Content hashes
| Canonical text | 240f085ec10644972ba0f8e2c81b5d88a240f962a6a401f192e483e4f1ab80b5 |
|---|---|
| Markdown | ca493261f5516ee240445ed9eeccb2e9d5e972601cf5168091265dee1c0c9a5a |
| Publication page | aa508093c55c323512da1ce1c148025eb49d2b0e0233fe8a1939f5288c783d2a |
| Manifest | a34da21ddb1d6eeae0a3e2f99bd181b26f148c52dedc7807b891a47e76d29757 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | sCq3zXWgkbYqHzR4lqVRuVvJMlm4QxLbBPOZ1w35QfPc1o9mf/+S0b33helaQIQNAMq9aEAUzuERvwDVfW2rAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:23:21.992110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072256observed aa508093c55c323512da1ce1c148025e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:21.975909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072256/manifest.jsonobserved a34da21ddb1d6eeae0a3e2f99bd181b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:21.959468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072256/publication.mdobserved ca493261f5516ee240445ed9eeccb2e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:21.941591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072256/publication.txtobserved 240f085ec10644972ba0f8e2c81b5d88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|